The best thing I can say is (part of the reason I use them) The livernois heads use a 243 casting, and stock ls2 valve. So 99.9% of the time if the stock 243 clears, the livernois one will clear as well...

The best thing I can say is (part of the reason I use them) The livernois heads use a 243 casting, and stock ls2 valve. So 99.9% of the time if the stock 243 clears, the livernois one will clear as well...

Andy is also correct. Typically if the stock 243 clears, ours will as well, but we always recommend checking PTV clearance.

i am very interested, if i buy a c5 performance package will the GP apply to the price? also how does the stage 2 cam idle and drive? my goal was to build a stealth car but thats going out the window. any vids or sound clips?